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Low Pressure Liquid Nitrogen Plants

Low Pressure Liquid Nitrogen Plants

Product Category :    Industrial Machinery

Supplier                :    Universal Industrial Plants Manufacturing Co.(P) Ltd.

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Product Profile of Low Pressure Liquid Nitrogen Plants

Universal Industrial Plants Manufacturing Co. [P] Ltd. Supplies Low Pressure Liquid Nitrogen Plants. Universal Industrial Plants Manufacturing Co. [P] Ltd. Is an ISO 9001: 2000 registered organisation. The Low Pressure Liquid Nitrogen Plantsare available in the range of 20 cum/hr to 15000 cum/hr. The Low Pressure Liquid Nitrogen Plants, has low pressure using rotary screw compressor [or low oil free piston compressor] and turbo expanders. The feed air entering the Molecular Sieve purification system employed to remove the moisture and carbon dioxide from the process air. The air is liquefied by cryogenic cooling using latest plate and fin high efficiency heat exchangers and turbo expanders. The liquid air separates into oxygen nitrogen and inert gases in the air separation column.

Main Components in Low Pressure Liquid Nitrogen Plants are:

  • Air Compressor: Rotary air compressors screw type can be used for smaller size plants up to 500 cubic m/hr & 1000 cubic m /hr. Centrifugal compressor can be used for higher size plants.
  • Air pre-cooling system: Air separation plants adopt chilling system in all air pre-cooling systems.
  • Air purification system: This system beds of molecular sieve are used in the air purification system, it remove the Carbon dioxide & moisture for the process air at low-pressure
  • Rectification Column: The unit in cold box are all low pressure technology. This unit employs the latest state of the art plate and fin exchanger, condenser and sub-coolers. The column is supplied as a packed unit complete with all the control systems including digital flow-meters, temperature, and pressure available with high purity up to 2-3 ppm nitrogen as a second product without loss in oxygen production.
  • Turbo-expander: Turbo-expander is used for giving cooling to the air for the liquefaction process and broken by booster, so as to reduce the expanded air column, stabilize the upper columns working condition and reduce power consumption. The turbine expanders have complete trouble free working and long life and reliability.
  • Computer Control: All the plants can be configured for automatic operation through a pc this will use out switching valves of German or Japanese and motorized cryogenic valves on cold box.
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